Can you think of any three-dimensional shape that comprises of exactly two surfaces?

A man dies of old age on his 25 birthday. How is this possible?

Aaron, Brad, Christopher, Danny and Elvis decided to play a game of tiddlywinks. In this game they decided that one win will get 1 point for winning, 0 for losing and 1/2 in case of a tie.

They finished the game in alphabetical order and it was found that the scores were different for each person.

Based on the following two statements, can you find out the result of the individual games?
Brad: No one could finish like me, without a loss.
Elvis: No one played worse than me, I finished without a single win.

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Which is faster, Heat or Cold ? Explain.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

How many triangles are there in the picture below?

Why is a river so rich ?

Can you make four (4) nines (9) equal 100?